CN107433649B - The construction technology of carbon fiber modifying quick growth poplar wood - Google Patents
The construction technology of carbon fiber modifying quick growth poplar wood Download PDFInfo
- Publication number
- CN107433649B CN107433649B CN201710805568.4A CN201710805568A CN107433649B CN 107433649 B CN107433649 B CN 107433649B CN 201710805568 A CN201710805568 A CN 201710805568A CN 107433649 B CN107433649 B CN 107433649B
- Authority
- CN
- China
- Prior art keywords
- plate
- quick growth
- poplar wood
- growth poplar
- carbon fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention belongs to fast-growing plate technical field of modification more particularly to a kind of construction technologies of carbon fiber modifying quick growth poplar wood.Including following effective procedure: a, selection；B, it cuts；C, depths is managed；D, it dries；E, heat modification；F, it dries；G, it cuts；H, carbon cloth glue is configured；I, it impregnates；J, it combines；K, it conserves.Compared with prior art, the advantages and positive effects of the present invention are, the present invention provides a kind of construction technologies of carbon fiber modifying quick growth poplar wood, processing is modified to the methods of quick growth poplar wood processing, bonding, maintenance, precompressed, post-processing by carbon fiber, carbon cloth glue and a series of construction technologies, and then the mechanical properties such as compression strength, elasticity modulus, deformation rate, anti-seismic performance for changing quick growth poplar wood, it is allowed to meet the requirement of building structural element (column, beam, plate, wall).
Description
Technical field
The invention belongs to fast-growing plate technical field of modification, it is related to quick growth poplar wood modification more particularly to a kind of carbon fiber changes
The construction technology of property quick growth poplar wood.
Background technique
Timber and wood materials are not only widely used in daily life as the important resources of production in social and economic construction
In every field, be also widely used for the industrial circles such as traffic, building and space flight.With in world wide, the forest reserves are increasingly
Shortage, especially precious timber quantity increasingly fall sharply, and a large amount of fast growing tree is widely cultivated in recent years.Fast growing tree has
The advantages that material time is short, yield is high, but since its growth year is shorter, such as: general artificial quick growth poplar wood become a useful person the time be 5~
6 years, thus most of fast growing tree have low density, wooden soft, physical mechanics intensity difference, moisture content high and be unevenly distributed and
It is also easy to produce the defects of dry-shrinkage deformed, to limit the use scope of fast growing tree kind, usually artificial fast-growing woods is mostly used next life
Production paper pulp, the low economic value added product such as throwaway chopsticks, and in high added value manufacture field using less.
As country promulgates that relevant policies carry out green building, fabricated construction energetically, and hereof it should be particularly mentioned that closing
In the timber structure prefabricated construction the problem of.But nowadays the development of timber structure is because natural timber is forbidden felling and being limited
System.Most of fast growing wood is but because its poor application range of mechanical property is restricted.Quick growth poplar wood itself has texture straight, easy
The features such as processing, growth are fastly, environmental suitability is strong, and there are the advantages such as environmental protection, beauty, and there is extensive planting matrix in China
Plinth.But quick growth poplar wood is since its mechanical property is lower, the features such as corrosion resistance difference and big unstability, never applies
In building structure.Currently, how quick growth poplar wood to be applied in building structural element by carbon fiber modifying, its application is widened
The research of range is less.
Summary of the invention
The present invention for it is above-mentioned by quick growth poplar wood be applied to building structural element in the presence of the technical issues of, propose one
Kind designs reasonable, simple process, the construction work of high, the resistance to rotten carbon fiber modifying quick growth poplar wood of easy to process and physical strength
Skill.
In order to achieve the above object, the technical solution adopted by the present invention is that the present invention provides a kind of carbon fiber modifying fast-growing
The construction technology of poplar, including following effective procedure:
A, selection: logical straight, the tree-walk 20cm of quick growth poplar wood trunk or so log is chosen, and is put in shady place placement；
B, it cuts: the quick growth poplar wood chosen is cut into the plate with a thickness of 10mm, reject the plate for being unsatisfactory for requiring, place
Managing plate length and width is size needed for component；
C, depths is managed: the plate handled well being carried out deep processing processing, does groove and protrusion setting in plate surface；
D, dry: by deep processing, treated that plate is put in that shady place is dried 3-5 days or using dryer at 65 DEG C -85 DEG C
Effect is lower to dry 8h or more；
E, heat modification: the plate after will be processed is put in nitrogen chamber, and nitrogen at elevated temperature room temperature is to 180 DEG C~260 DEG C
Heat modification processing is done to plate；
F, it dries: by heat modification treated plate drying box more than 105 DEG C of drying for 24 hours, carrying out water ratio test
Test controls moisture content between 9~15%, spare；
G, it cuts: carbon cloth of corresponding size is cut according to the size of plate upper groove, it is spare；
H, configure carbon cloth glue: carbon cloth glue includes two groups of important components of A, B, wherein A group is modified epoxy, and B group is second
The intermixture of the modified phenolic aldehyde ammonia curing agent of diamines and aromatic amine curing agent mixes two component of A, B according to mass ratio A:B=3:1
It closes uniformly, it is spare；
I, it impregnates: the plate after drying is put into vacuum impregnation tank, the configured carbon cloth glue in part is added, control is true
Empty impregnating autoclave is 1MPa, controls 75 DEG C of temperature, impregnates 3h；
J, it combines: the plate after dipping being taken out, the carbon cloth glue of plate surface is quickly scraped off, will be cut in g step
Carbon cloth be quickly coated in the groove of plate, and separately take one block of plate, be embedded in its lug boss in groove, make two
Groove and male cooperation between block plate form an entirety, and so on, combine required thickness；
K, it conserves: by the plate mold combined by plate compact, controlling temperature and conserved at 40~50 DEG C, conserved
The time that time is 1~2 week is to get to required finished product.
Preferably, the groove is arranged along the longitudinal direction interval of plate in the step c.
Preferably, the groove is arranged along the short side direction interleaved of plate in the step c.
Preferably, in the step c, the protrusion is arranged in the back side that plate is equipped with groove one side, the protrusion with
Groove is equipped with.
Preferably, the plate after processing first is put in nitrogen chamber, then nitrogen at elevated temperature in the step e
Room temperature starts to inject nitrogen to 140 DEG C, controls temperature at 180 DEG C~260 DEG C, keeps the temperature 2h, is then shut off nitrogen injection, closes
Temperature control is closed to take out plate after placement makes nitrogen room temperature be down to 40 DEG C.
Preferably, phenolic aldehyde ammonia curing agent and aromatic amine curing agent that the B component ethylenediamine is modified are according to mass ratio 1:2
~5 ratio mixing.
Preferably, plate is put into vacuum impregnation tank first in the i step, then with vacuum pump by vacuum
Impregnating autoclave is pumped into -0.2MPa vacuum, then turns on imported valve, and carbon cloth glue is pressed into vacuum impregnation tank using atmospheric pressure
It is interior, after carbon cloth glue submerges plate, vacuum impregnation tank is transferred to 1MPa, controls 75 DEG C of temperature, impregnates 3h.
Compared with prior art, the advantages and positive effects of the present invention are:
The present invention provides a kind of construction technologies of carbon fiber modifying quick growth poplar wood, pass through carbon fiber, carbon cloth glue and one
Serial construction technology is modified processing to the methods of quick growth poplar wood processing, bonding, maintenance, precompressed, post-processing, and then changes speed
The mechanical properties such as compression strength, elasticity modulus, deformation rate, the anti-seismic performance of raw poplar, be allowed to meet building structural element (column,
Beam, plate, wall) requirement.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for ability
For the those of ordinary skill of domain, without any creative labor, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the explosive view after the modifying cotton wood finished product that embodiment 1 provides；
Fig. 2 is the explosive view after the modifying cotton wood finished product that embodiment 2 provides；
In above each figure, 1, plate；2, groove；3, raised.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawings and examples
The present invention will be further described.It should be noted that in the absence of conflict, in embodiments herein and embodiment
Feature can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other modes described herein are different from, therefore, the present invention is not limited to the specific of specification is described below
The limitation of embodiment.
Embodiment 1, as shown in Figure 1, the present embodiment provides a kind of construction technologies of carbon fiber modifying quick growth poplar wood, including with
Lower effective procedure:
Firstly, selection, it is contemplated that modified quick growth poplar wood provided by the present embodiment be for building in, therefore in this implementation
In, the selection of material also functions to vital effect to the intensity of the finished product in later period, firstly, it is logical to choose quick growth poplar wood trunk
Directly, tree-walk 20cm or so log, and it is put in shady place placement, selecting trunk to lead to straight poplar is mainly to consider that trunk is logical straight
It wants more convenient in processing to poplar, and tree-walk 20cm or so log is selected to be mainly in view of needed for the present embodiment construction, and puts
Shady place setting is set, primarily to avoiding being exposed to the sun, the cracking of poplar is caused, influences its intensity.
Then, the quick growth poplar wood chosen is cut into the plate 1 with a thickness of 10mm, rejects the plate for being unsatisfactory for requiring, place
Managing plate length and width is size needed for component, and in the present embodiment, the length 2400mm needed to configure, width is the plate of 140mm,
If the length and width of plate is unable to reach corresponding size, the size of required plate can be obtained by way of bonding, glued
Become the existing common means of fast-growing plate, therefore in the present embodiment, without detailed description.By the plate 1 handled well into
Row deep processing processing does groove 2 on 1 surface of plate and protrusion 3 is arranged, is in fact exactly to do groove 2, groove 2 on the surface of plate 1
Two sides be exactly protrusion 3, certainly, groove on former and later two faces of same plate and protrusion are oppositely arranged, in this way
It is arranged primarily to adjacent two plates is made to form the structure of Tenon, increases the intensity between two plate 1, in this implementation
In example, groove 2 is arranged along the longitudinal direction interval of plate 1, and groove 2 is staggered along the short side direction of plate 1, in this way, in plate
Criss-cross groove 2 is just formed on material, due to being staggered, in this way, the groove 2 of plate and protrusion 3 do not have to according to every block of plate
Material is separately provided, in turn can be so that two plates snap together, certainly, the appearance in outermost two plates
Face does not need to do groove setting.
The intensity of plate in order to further increase removes the moisture of plate, and by deep processing, treated that plate is put in cool place
Place dries 3~5 days or dries 8h or more under 65 DEG C~85 DEG C effects using dryer, carries out except water process, the mesh done so
, so that moisture is slowly evaporated from plate, moisture is avoided quickly to be lost, causes the cracking of plate.
Then, the plate after will be processed is put in nitrogen chamber, and nitrogen at elevated temperature room temperature is to 180 DEG C~260 DEG C to plate
Material does heat modification processing, and content of cellulose is about the 40%~50% of lignocellulose raw material in poplar, and cellulose is D-Glucose
The chain-like macromolecule compound that β-Isosorbide-5-Nitrae glycosidic bond links up, the degree of polymerization of cellulose are wooden from hundreds to thousands even 10,000 or more
Content of cellulose and property in material cell wall are the important factor in order of Wood mechanical property, and hemicellulose is the same as cellulose one
Sample is polysaccharide, but the not uniform glycan of hemicellulose, the composition of a variety of complex plycans, and general hemicellulose gathers
Right is 200 to 300, and the arrangement of hemicellulose is more loose, can form crystal region unit, have in hemicellulose structure more
Hydrophilic group key (predominantly hydroxyl and carbonyl), therefore there is biggish shadow to the bulking performance equidimension stability of wood cell wall
It rings, hemicellulose is as the adhesive in wood components, amorphous in usual hemicellulose compared with the hydroxyl in cellulose
Contain a large amount of hydroxyl in area, these hydroxyl thermal stability are poor, are easy to decompose at high temperature, increase the toughness of timber, right
The viscoplasticity of timber has important influence, in order to improve the intensity of plate, in the present embodiment, first carries out hot place to plate
Reason, specifically, the plate after processing are put in nitrogen chamber, and then nitrogen at elevated temperature room temperature starts to inject to 140 DEG C
Nitrogen controls temperature at 180 DEG C~260 DEG C, keeps the temperature 2h, is then shut off nitrogen injection, closing temperature control, and placement makes nitrogen chamber
After temperature is down to 40 DEG C, plate is taken out, the heat treatment procedure of plate can be completed, heat treatment procedure effectively raises plate
Toughness increase, and then improve its intensity.
In order to further remove moisture, in the present embodiment, heat modification treated plate drying box is dried at 105 DEG C
It does more than for 24 hours, carries out water ratio test test, control moisture content between 9~15%, it is spare, if the water content mistake of timber
Therefore height has to the water content for controlling timber in the presence of very big influence to its later strength, in the present embodiment, control
Moisture content, certainly can be with 9~15% 12%.
In order to further enhance its intensity, in the present embodiment, cut according to the size of plate upper groove corresponding big
Small carbon cloth 2 is opened, in the present embodiment, carbon cloth be used for plate tension, shearing resistance and seismic hardening, the material with match
Set carbon cloth glue is used in conjunction with the carbon cloth sheet material reinforcement that may make up complete performance brilliance as carbon fibre composite
System.
In order to further increase the using effect of carbon cloth, in the present embodiment, a kind of carbon cloth glue is also specially provided, this
Carbon cloth glue provided by embodiment includes two groups of important components of A, B, wherein A group is modified epoxy, and the present embodiment is provided
Modified epoxy include 90 parts of epoxy resin, 16.2 parts of carboxylic acrylonitrile butadiene rubber latexes, 6 parts of polyacrylic acid ester gums by mass fraction
Cream, 7 parts of silica flours, 1.3 parts of alumina silicate, 2.5 portions of anti-settling agents, 35 parts of polyamide curing agents and 1.1 parts of gamma-aminopropyl-triethoxys
Silane is made；Specific processing method is after carboxylic acrylonitrile butadiene rubber latex is demulsified, to be dried for standby；After polyacrylic ester latex is demulsified,
It is dried for standby；Carboxylic acrylonitrile butadiene rubber latex after drying is added in epoxy resin, reacts 2h under conditions of temperature is 120 DEG C,
Polyacrylic ester latex and gamma-aminopropyl-triethoxy-silane after sequentially adding drying, it is anti-under conditions of temperature is 120 DEG C
1h is answered, is obtained under room temperature as the epoxy resin for the thick liquid that can be trickled；Finally successively add in the epoxy resin of thick liquid
Enter anti-settling agent, alumina silicate and silica flour, stirs after 40min to get modified epoxy.
B group is the intermixture of ethylenediamine modified phenolic aldehyde ammonia curing agent and aromatic amine curing agent, specifically, B component second
The modified phenolic aldehyde ammonia curing agent of diamines and aromatic amine curing agent are mixed according to the ratio of mass ratio 1:2~5, in the present embodiment
In, it matching as 1:2, the amount of aromatic amine curing agent mainly needs to be arranged according to FUTURE ENVIRONMENT, for example, the weather in the north, according to
1:2, the weather of the moist more heat in south, will reach 1:5, wherein ethylenediamine modified phenolic aldehyde ammonia curing agent and fragrance
Amine hardener is provided by celebrating Da Feng engineering technology Co., Ltd, then, according to the ratio of mass ratio A:B=3:1, by A, B two
Component is uniformly mixed, spare.
Then, the plate after drying is put into vacuum impregnation tank, the configured carbon cloth glue in part is added, control vacuum
Impregnating autoclave is 1MPa, controls 75 DEG C of temperature, impregnates 3h, controls 75 DEG C of temperature primarily to prepared carbon cloth is avoided to be gelled
Gu and the mode impregnated is selected, being primarily due to quick growth poplar wood is a kind of porous capillary materials, by various permanent tubular units
A kind of composite capillary system that (skilful capillary) and instantaneous tubulose unit (microcapillary) are connected with each other, so timber has
There is certain permeability, vacuum impregnation is exactly to utilize this feature, and by physics mode, a certain amount of carbon cloth glue is impregnated into wood
Inside material, the performances such as density of wood, physical mechanics intensity, heat resistance and antiseptic fire-retardation are improved by filling, in the present embodiment
In, in order to reach vacuum-impregnated purpose, first plate is put into vacuum impregnation tank, then with vacuum pump by vacuum impregnation tank
It is pumped into -0.2MPa vacuum, then turns on imported valve, carbon cloth glue is pressed into vacuum impregnation tank using atmospheric pressure, to carbon
After cloth glue submerges plate, vacuum impregnation tank is transferred to 1MPa, controls 75 DEG C of temperature, impregnates 3h.
Plate after dipping is taken out, the carbon cloth glue of plate surface is quickly scraped off, the carbon cloth cut is quick
Be coated in the groove of plate, to guarantee in bonding process smooth, straight.The second layer is pasted after the construction of first layer carbon cloth
Carbon cloth when stickup, first in the external coating carbon cloth glue of first layer carbon cloth, then pastes second layer carbon by preceding method
Fiber cloth, to ensure the plumpness of carbon cloth glue.Finally, in carbon cloth surface smear layer carbon cloth glue again.And one block of plate is separately taken,
It is embedded in its lug boss in groove, groove and male cooperation between two plates is made to form an entirety, and so on, group
Required thickness is got togather, in the present embodiment, is formed by stacking for 10 blocks of plates.
After the glue of equal plates is slightly done, by the plate mold combined by plate compact, temperature 40~50 is controlled
DEG C, it is conserved, the time that curing time is 1~2 week to get to required finished product, when maintenance, with compaction mold, will combine
Good plate compact, curing period, are generally 1-2 weeks to reach design strength, (conserve 2 weeks or so, put down at about 40 DEG C of temperature on average
Conserved 1 week or so at equal about 50 DEG C of temperature), it should carry out blocking fencing lawn during maintenance, finally, surface is carried out place of scraping
Reason.
Experiment detection:
It in experimentation, is tested using 100TYPE3000-4Z electron pressure testing machine, experimentation is using displacement
The experimental method of load, sample dimensions are 100mm × 100mm, with a thickness of 105mm, loading velocity 2mm/min.It is loaded into most
When big finder charge, reverse cyclic loadings 5 times, elasticity modulus is calculated, is then loaded onto test specimen destruction, different carbon fibers is tested and matches fine rate
In the case where, the mechanical property of modifying cotton wood.
The different carbon fibers of table 1 are matched under fine rate, the mechanical property of poplar finished product provided by embodiment 1
| With fine rate | Test specimen number | Peak value (kN) | Compression strength (MPa) | It deforms (mm) | Elasticity modulus (MPa) |
| 0.0017 | A-11 | 389.5 | 38 | 5.346 | 1510.8 |
| 0.0034 | A-21 | 391.0 | 33 | 8.423 | 1185.1 |
| 0.0051 | A-31 | 422.6 | 29 | 5.278 | 1001.6 |
From the point of view of above-mentioned testing result, Modified Poplar made from the provided technique of the present embodiment fully meets existing build
Build needs.
Embodiment 2, the present embodiment provides a kind of construction technologies of carbon fiber modifying quick growth poplar wood
As shown in Fig. 2, the difference of the construction technology of carbon fiber modifying quick growth poplar wood provided by the present embodiment and embodiment 1
It is the setting of groove 2 and protrusion 3, is arranged compared to groove 2 provided by embodiment 1 along 1 long side interval of cottonwood plank stuff, along short
The structure that edge direction is staggered, groove 2 provided by the present embodiment are to be arranged through plate 1, i.e., groove 2 is only along cottonwood plank stuff
1 longitudinal direction interval setting, the benefit being arranged in this way, which essentially consists in, facilitates processing, due to needing difference in architectural process
Column, beam, plate, the wall of size are needed using the construction technology of carbon fiber modifying quick growth poplar wood provided by embodiment 1 according to scene
Needs, processed, and technical solution provided by the present embodiment can the large-scale production in factory, without the concern for building
Required size in the process, it is only necessary to which scale processing, then arriving live on-site cutting as needed can be completed.
The different carbon fibers of table 2 are matched under fine rate, the mechanical property of poplar finished product provided by embodiment 2
| With fine rate | Test specimen number | Peak value (kN) | Compression strength (MPa) | It deforms (mm) | Elasticity modulus (MPa) |
| 0.0017 | A-12 | 360.4 | 33 | 7.322 | 1460.5 |
| 0.0034 | A-22 | 371.2 | 29 | 9.643 | 1108.4 |
| 0.0051 | A-32 | 395.6 | 27 | 6.123 | 980.6 |
By the experiment detection to embodiment 1 and embodiment 2, find technical solution provided by embodiment 1 in items
Can on show it is better than embodiment 2, but performance provided by embodiment 2 be also fully able to meet building needs.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
It imitates embodiment and is applied to other fields, but without departing from the technical solutions of the present invention, according to the technical essence of the invention
Any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the protection scope of technical solution of the present invention.
Claims (7)
1. a kind of construction technology of carbon fiber modifying quick growth poplar wood, which is characterized in that including following effective procedure:
A, selection: logical straight, the tree-walk 20cm of quick growth poplar wood trunk or so log is chosen, and is put in shady place placement；
B, it cuts: the quick growth poplar wood chosen being cut into the plate with a thickness of 10mm, rejects the plate for being unsatisfactory for requiring, processing board
Length and width is size needed for component；
C, depths is managed: the plate handled well being carried out deep processing processing, does groove and protrusion setting in plate surface；
D, dry: by deep processing, treated that plate is put in that shady place is dried 3-5 days or using dryer in 65 DEG C of -85 DEG C of effects
Lower drying 8h or more；
E, heat modification: the plate after will be processed is put in nitrogen chamber, and nitrogen at elevated temperature room temperature is to 180 DEG C~260 DEG C to plate
Material does heat modification processing；
F, it dries: by heat modification treated plate drying box more than 105 DEG C of drying for 24 hours, carrying out water ratio test test,
Moisture content is controlled between 9~15%, it is spare；
G, it cuts: carbon cloth of corresponding size is cut according to the size of plate upper groove, it is spare；
H, configure carbon cloth glue: carbon cloth glue includes two groups of important components of A, B, wherein A group is modified epoxy, and B group is ethylenediamine
The intermixture of modified phenolic aldehyde ammonia curing agent and aromatic amine curing agent mixes two component of A, B equal according to mass ratio A:B=3:1
It is even, it is spare；
I, it impregnates: the plate after drying is put into vacuum impregnation tank, the configured carbon cloth glue in part is added, control Vaccum Permeating
Stain tank is 1MPa, controls 75 DEG C of temperature, impregnates 3h；
J, it combines: the plate after dipping being taken out, the carbon cloth glue of plate surface, the carbon that will be cut in g step are quickly scraped off
Fiber cloth is quickly coated in the groove of plate, and separately takes one block of plate, is embedded in its lug boss in groove, is made two boards
Groove and male cooperation between material form an entirety, and so on, combine required thickness；
K, it conserves: by the plate mold combined by plate compact, controlling temperature and conserved at 40~50 DEG C, curing time
For 1~2 week time to get arrive required finished product.
2. the construction technology of carbon fiber modifying quick growth poplar wood according to claim 1, which is characterized in that in the step c,
The groove is arranged along the longitudinal direction interval of plate.
3. the construction technology of carbon fiber modifying quick growth poplar wood according to claim 2, which is characterized in that in the step c,
The groove is arranged along the short side direction interleaved of plate.
4. the construction technology of carbon fiber modifying quick growth poplar wood according to claim 2 or 3, which is characterized in that the step c
In, the back side that plate is equipped with groove one side is arranged in the protrusion, and the protrusion is equipped with groove.
5. the construction technology of carbon fiber modifying quick growth poplar wood according to claim 4, which is characterized in that in the step e,
Plate after first will be processed is put in nitrogen chamber, and then nitrogen at elevated temperature room temperature starts to inject nitrogen, control to 140 DEG C
Temperature processed keeps the temperature 2h at 180 DEG C~260 DEG C, is then shut off nitrogen injection, closing temperature control, and nitrogen room temperature drops in placement
To after 40 DEG C, plate is taken out.
6. the construction technology of carbon fiber modifying quick growth poplar wood according to claim 5, which is characterized in that the B component second
The modified phenolic aldehyde ammonia curing agent of diamines and aromatic amine curing agent are mixed according to the ratio of mass ratio 1:2~5.
7. the construction technology of carbon fiber modifying quick growth poplar wood according to claim 6, which is characterized in that in the i step,
Plate is put into vacuum impregnation tank first, vacuum impregnation tank is then pumped into -0.2MPa vacuum with vacuum pump, is then just beaten
Imported valve is opened, carbon cloth glue is pressed into vacuum impregnation tank using atmospheric pressure, after carbon cloth glue submerges plate, by vacuum impregnation
Tank is transferred to 1MPa, controls 75 DEG C of temperature, impregnates 3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805568.4A CN107433649B (en) | 2017-09-08 | 2017-09-08 | The construction technology of carbon fiber modifying quick growth poplar wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805568.4A CN107433649B (en) | 2017-09-08 | 2017-09-08 | The construction technology of carbon fiber modifying quick growth poplar wood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107433649A CN107433649A (en) | 2017-12-05 |
| CN107433649B true CN107433649B (en) | 2019-07-16 |
Family
ID=60461558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710805568.4A Active CN107433649B (en) | 2017-09-08 | 2017-09-08 | The construction technology of carbon fiber modifying quick growth poplar wood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107433649B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608519A (en) * | 2018-05-05 | 2018-10-02 | 阜南县海源工艺品有限公司 | A kind of method of toothed oak wood plank processing modelled after an antique |
| CN109970401A (en) * | 2019-04-21 | 2019-07-05 | 山东建筑大学 | Quick growth poplar wood fiber high-intensity wall and preparation method thereof |
| CN110106990A (en) * | 2019-04-21 | 2019-08-09 | 山东建筑大学 | Outsourcing quick growth poplar wood fiber high-intensity wall and preparation method thereof |
| CN110005076B (en) * | 2019-04-21 | 2024-06-14 | 山东省轻工业设计院 | Modified fast-growing poplar bearing column for wooden building |
| CN111086077B (en) * | 2020-01-22 | 2021-10-22 | 中国林业科学研究院木材工业研究所 | Preparation method of resin-filled microwave-puffed wood |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498171A (en) * | 2009-02-24 | 2009-08-05 | 南京工业大学 | High-strength plywood for building shutter panel |
| CN101670599A (en) * | 2009-09-25 | 2010-03-17 | 东北林业大学 | Carbon fiber reinforced wood composite material and preparation method thereof |
| CN101774190A (en) * | 2010-01-15 | 2010-07-14 | 江苏省苏科建设技术发展有限公司 | Carbon fiber fabric reinforced poplar laminated veneer lumber structural element and machining method thereof |
| CN101954761A (en) * | 2010-08-03 | 2011-01-26 | 南京工业大学 | Spatial fiber web-reinforced composite material sandwich structure part |
| JP4813932B2 (en) * | 2006-03-14 | 2011-11-09 | サカイオーベックス株式会社 | Fiber reinforced glulam |
| CN203429873U (en) * | 2013-07-10 | 2014-02-12 | 潘存勋 | Bearing plate |
| CN105729588A (en) * | 2016-03-29 | 2016-07-06 | 刘瑞 | Novel plywood |
| CN106393379A (en) * | 2016-08-31 | 2017-02-15 | 南宁帝旺村木业有限公司 | Environment-friendly composite floor for container |
| CN206220475U (en) * | 2016-11-18 | 2017-06-06 | 南京林业大学 | A kind of fibre reinforced bamboo and wood complex architectural template |
-
2017
- 2017-09-08 CN CN201710805568.4A patent/CN107433649B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4813932B2 (en) * | 2006-03-14 | 2011-11-09 | サカイオーベックス株式会社 | Fiber reinforced glulam |
| CN101498171A (en) * | 2009-02-24 | 2009-08-05 | 南京工业大学 | High-strength plywood for building shutter panel |
| CN101670599A (en) * | 2009-09-25 | 2010-03-17 | 东北林业大学 | Carbon fiber reinforced wood composite material and preparation method thereof |
| CN101774190A (en) * | 2010-01-15 | 2010-07-14 | 江苏省苏科建设技术发展有限公司 | Carbon fiber fabric reinforced poplar laminated veneer lumber structural element and machining method thereof |
| CN101954761A (en) * | 2010-08-03 | 2011-01-26 | 南京工业大学 | Spatial fiber web-reinforced composite material sandwich structure part |
| CN203429873U (en) * | 2013-07-10 | 2014-02-12 | 潘存勋 | Bearing plate |
| CN105729588A (en) * | 2016-03-29 | 2016-07-06 | 刘瑞 | Novel plywood |
| CN106393379A (en) * | 2016-08-31 | 2017-02-15 | 南宁帝旺村木业有限公司 | Environment-friendly composite floor for container |
| CN206220475U (en) * | 2016-11-18 | 2017-06-06 | 南京林业大学 | A kind of fibre reinforced bamboo and wood complex architectural template |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107433649A (en) | 2017-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107433649B (en) | The construction technology of carbon fiber modifying quick growth poplar wood | |
| CN104963481B (en) | Anticracking floor-heating solid-wood composite floor and its production method | |
| CN101863057B (en) | High-strength corrosion-resistant wood/bamboo plywood and laminated timber and production method thereof | |
| Maulana et al. | Effects of steam treatment on physical and mechanical properties of bamboo oriented strand board | |
| Iswanto et al. | Effect of pre-treatment techniques on physical, mechanical and durability properties of oriented strand board made from sentang wood (Melia excelsa Jack) | |
| CN208812277U (en) | A kind of timber of high thickness multi-layer transparent | |
| CN1856623B (en) | Lignocellulose fiber-resin composite material | |
| CN104191471A (en) | High-strength poplar laminated veneer lumber and manufacturing method thereof | |
| CN108818834A (en) | A kind of preparation method of the laminated transparent timber of long-afterglow fluorescent | |
| CN204160580U (en) | A kind of high strength poplar laminated veneer lumber | |
| JP2017510489A (en) | Chemically modified wood and non-wood products and method for producing the same | |
| CN107363956B (en) | The construction technology of the modified quick growth poplar wood of steel plate | |
| Ramesh et al. | Bamboo fiber reinforced concrete composites | |
| CN102114652A (en) | Method for processing coated bamboo gluing template manufactured by utilizing fir thinning wood | |
| CN107363955B (en) | The construction technology of steel plate outsourcing carbon fiber modifying quick growth poplar wood | |
| Yong et al. | Selected physical and mechanical properties of bamboo and poplar composite OSB with different hybrid ratios | |
| CN107471343B (en) | The construction technology of the modified quick growth poplar wood of carbon fiber encased steel plate | |
| CN103781605B (en) | With the bamboo of polymer impregnated mistake | |
| CN103302709B (en) | A kind of method that wooden beam slab manufactures | |
| CN102672789B (en) | Durable wood-bamboo cellulose composite material | |
| CN108058254A (en) | A kind of method of poplar anoxic heat treatment impregnated melamine urea-formaldehyde resin enhancing processing | |
| CN204920115U (en) | Real wood composite floor warms up crack control | |
| CN201863273U (en) | Misplaced, mitered and recombined structural timber | |
| CN201195330Y (en) | Chinese fir thin board laminated material | |
| CN110509375B (en) | Recombined wood with antibacterial and mildew-proof properties and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |